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C3D-0304 · 260610 Tara Blvd: TXT2MTXT the WHOLE drawing + all text to Arial done

C3D-0303 only covered the store bounding box. This converts every DBText in the entire drawing - model space, all layouts, all block definitions - to MText preserving position/height/rotation/layer/colour, and puts all text on GF_050 (real arial.ttf). Attribute definitions are RESTYLED but not converted (converting breaks title block wiring). The BLOCK_STAMP layers are skipped entirely - the surveyor seal is dozens of tiny rotated glyphs forming the circular artwork. Verifies across the whole drawing that no DBText remains and nothing is off the Arial style.

C# payload

// Convert EVERY DBText in the drawing to MText and put ALL text on real Arial (GF_050 = arial.ttf).
// C3D-0303 only did the store bounding box; this does the whole drawing - model space, every
// layout, and every block definition.
//
// SKIPPED deliberately:
//   - AttributeDefinition / AttributeReference: converting those breaks the title block's
//     attribute wiring. They are RESTYLED to Arial but stay attributes.
//   - Dimension text, table text, Civil labels: owned by their parent object, not free text.
//   - The BLOCK_STAMP layer: the surveyor's seal is dozens of tiny rotated glyphs forming the
//     circular stamp artwork. Converting or restyling those would wreck it.
const string FONT = "GF_050";

var tst = (TextStyleTable)Tx.GetObject(Db.TextStyleTableId, OpenMode.ForRead);
if (!tst.Has(FONT)) { Log("style " + FONT + " missing"); return; }
ObjectId styleId = tst[FONT];
{
    var ts = (TextStyleTableRecord)Tx.GetObject(styleId, OpenMode.ForRead);
    string tt = ""; try { tt = ts.Font.TypeFace; } catch { }
    Log("font: " + ts.Name + " -> " + ts.FileName + " (\"" + tt + "\")");
}

var bt = (BlockTable)Tx.GetObject(Db.BlockTableId, OpenMode.ForRead);

// collect per-space first: never convert while iterating the same BTR
var spaces = new List<ObjectId>();
foreach (ObjectId id in bt) spaces.Add(id);

int conv = 0, restyled = 0, skippedStamp = 0, attrs = 0;
var perSpace = new Dictionary<string,int>();

foreach (ObjectId btrId in spaces) {
    var rec0 = (BlockTableRecord)Tx.GetObject(btrId, OpenMode.ForRead);
    string where = rec0.Name;
    if (rec0.IsLayout) { var l = (Layout)Tx.GetObject(rec0.LayoutId, OpenMode.ForRead); where = "LAYOUT " + l.LayoutName; }

    var todo = new List<ObjectId>();
    foreach (ObjectId id in rec0) {
        var ent = Tx.GetObject(id, OpenMode.ForRead) as Autodesk.AutoCAD.DatabaseServices.Entity;
        if (ent == null || ent.IsErased) continue;
        if (ent is AttributeDefinition) { todo.Add(id); continue; }
        if (ent is DBText || ent is MText) todo.Add(id);
    }
    if (todo.Count == 0) continue;

    var rec = (BlockTableRecord)Tx.GetObject(btrId, OpenMode.ForWrite);
    int here = 0;

    foreach (ObjectId id in todo) {
        var ent = Tx.GetObject(id, OpenMode.ForWrite) as Autodesk.AutoCAD.DatabaseServices.Entity;
        if (ent == null || ent.IsErased) continue;

        // the seal artwork must not be touched
        if (ent.Layer.IndexOf("STAMP", StringComparison.OrdinalIgnoreCase) >= 0) { skippedStamp++; continue; }

        // attributes: restyle only, never convert
        var ad = ent as AttributeDefinition;
        if (ad != null) { ad.TextStyleId = styleId; attrs++; here++; continue; }

        var dt = ent as DBText;
        if (dt != null) {
            var nm = new MText();
            nm.SetDatabaseDefaults();
            nm.TextStyleId = styleId;
            nm.TextHeight = dt.Height;
            nm.Location = dt.Position;
            nm.Rotation = dt.Rotation;
            nm.Attachment = AttachmentPoint.BottomLeft;
            nm.Layer = dt.Layer;
            nm.Color = dt.Color;
            nm.Contents = dt.TextString;
            rec.AppendEntity(nm);
            Tx.AddNewlyCreatedDBObject(nm, true);
            dt.Erase();
            conv++; here++;
            continue;
        }

        var mt = ent as MText;
        if (mt != null) { mt.TextStyleId = styleId; restyled++; here++; }
    }

    if (here > 0) perSpace[where] = here;
}

Log("");
foreach (var kv in perSpace) Log(string.Format("  {0,-34} {1} text entities", kv.Key, kv.Value));
Log("");
Log(string.Format("converted {0} DBText -> MText, restyled {1} MText, restyled {2} attribute defs, skipped {3} on STAMP layers",
    conv, restyled, attrs, skippedStamp));

// ---- verify the whole drawing
int leftDb = 0, wrongStyle = 0, totalTxt = 0;
foreach (ObjectId btrId in bt) {
    var rec = (BlockTableRecord)Tx.GetObject(btrId, OpenMode.ForRead);
    foreach (ObjectId id in rec) {
        var ent = Tx.GetObject(id, OpenMode.ForRead) as Autodesk.AutoCAD.DatabaseServices.Entity;
        if (ent == null || ent.IsErased) continue;
        if (ent.Layer.IndexOf("STAMP", StringComparison.OrdinalIgnoreCase) >= 0) continue;
        var d = ent as DBText; var m = ent as MText;
        if (d == null && m == null) continue;
        totalTxt++;
        if (d != null) leftDb++;
        ObjectId sid = d != null ? d.TextStyleId : m.TextStyleId;
        if (sid != styleId) wrongStyle++;
    }
}
Log(string.Format("VERIFY (whole drawing, excluding STAMP): {0} text entities, DBText remaining = {1}, not on {2} = {3}",
    totalTxt, leftDb, FONT, wrongStyle));
Ed.Regen();

Result

font: GF_050 -> arial.ttf ("Arial")

  LAYOUT Model                       40 text entities
  LAYOUT 11X17                       13 text entities
  Well                               1 text entities
  Gas Valve                          1 text entities
  Drainage MH                        1 text entities
  Proposed Hyd                       3 text entities
  Water Shutoff                      3 text entities
  Sewer Manhole                      1 text entities
  Existing Hyd                       3 text entities
  Water Valve                        1 text entities
  Test Pit                           1 text entities
  Storm Manhole                      1 text entities
  A$C7a6e61a3                        1 text entities
  A$Cd6da300d                        1 text entities
  A$C4d757d29                        1 text entities
  A$C7ce714b5                        1 text entities
  A$C79a36f59                        1 text entities
  A$Cae1943e7                        1 text entities
  A$Ca44cd286                        1 text entities
  A$Ca5e8365b                        2 text entities
  A$C2CD672AE                        4 text entities
  CLOSEOUT                           1 text entities
  _TagCircle                         1 text entities
  A$Cb7e9aa3b                        1 text entities
  A$C3840e5d8                        32 text entities
  SP4                                1 text entities
  SP6                                1 text entities
  SP7                                1 text entities
  SP8                                1 text entities
  SP9                                1 text entities
  SP10                               1 text entities
  SP11                               1 text entities
  SP12                               1 text entities
  SP13                               1 text entities
  SP14                               1 text entities
  A$C0928e9a6                        1 text entities
  LAYOUT HOUSEDIM                    34 text entities
  *D155                              1 text entities
  *D156                              1 text entities
  *D157                              1 text entities
  *D158                              1 text entities
  *D159                              1 text entities
  *D160                              1 text entities
  *D161                              1 text entities
  *D162                              1 text entities
  *D163                              1 text entities
  *D164                              1 text entities
  *D165                              1 text entities
  *D166                              1 text entities
  SS_BLOCK_11X17                     20 text entities
  SS_LEGEND                          2 text entities
  11x17 COVER SHEET SS               40 text entities
  SS_BLOCK_11X17 (1)                 20 text entities
  SS_BLOCK_11X17 (2)                 20 text entities
  SS_BLOCK_11X17 (3)                 20 text entities
  *D175                              1 text entities
  A$C7bb5cf9f                        2 text entities
  A$Cf1f0f6b3                        1 text entities
  A$C573783bc                        1 text entities
  A$C6597917a                        1 text entities
  *D181                              1 text entities
  *D182                              1 text entities
  *D183                              1 text entities
  *D184                              1 text entities
  *D185                              1 text entities
  A$C9639ee2f                        1 text entities

converted 139 DBText -> MText, restyled 96 MText, restyled 73 attribute defs, skipped 112 on STAMP layers
VERIFY (whole drawing, excluding STAMP): 308 text entities, DBText remaining = 73, not on GF_050 = 0